Table 1. Cognitive performance before and after the Suffolk backyard ultra-marathon (N = 11).
| Pre-race | Post-race | Δ | p-value | Cohen’s db | 1-β | |
|---|---|---|---|---|---|---|
| 2 Choice Reaction Time | ||||||
| Accuracy (%)a | 97.5 [2.5] | 100 [2.5] | 0 [2.5] | 0.577 | 0.19 [-0.42–0.78] | 0.08 |
| Reaction Time (ms) | 452 [38] | 529 [81] | 77 [68] | 0.004 | 1.09 [0.33–1.81] | 0.95 |
| Throughput (a.u.) | 131.0 [12.1] | 113.9 [16.6] | -17.0 [11.4] | <0.001 | 1.17 [0038–1.93] | 0.94 |
| Stroop Task | ||||||
| Level 3 accuracy (%) | 94.4 [5.3] | 91.9 [4.4] | -2.5 [2.8] | 0.014 | 0.52 [-0.12–1.15] | 0.34 |
| Level 3 Reaction Time (ms) | 809 [213] | 900 [208] | 91 [119] | 0.029 | 0.77 [0.79–1.44] | 0.25 |
| Interference Score (a.u.) | 23.1 [9.3] | 18.8 [6.8] | -4.3 [5.6] | 0.028 | 0.53 [-0.12–1.15] | 0.36 |
| Tower Puzzle | ||||||
| Mean Reaction Time (ms)a | 1680 [478] | 2394 [736] | 517 [296] | 0.003 | 1.75 [0.77–2.69] | 0.99 |
| Mean Score (a.u.)a | 2332.6 [624.4] | 2174.4 [620.8] | -105.1 [303.5] | 0.248 | 0.25 [-0.35–0.85] | 0.11 |
| Move Ratio (a.u.)a | 1.08 [0.12] | 1.21 [0.36] | 0.07 [0.17] | 0.240 | 0.42 [-0.20–1.03] | 0.15 |
Cognitive performance measures are reported as mean [SD].
adata are median [IQR]. All Δ data are mean [SD].
bdata are effect size [95% CI].